# Math Help - Comparing probabilities

1. ## Comparing probabilities

How do you find out the expected probabilities of the spinner for an event?

2. Originally Posted by ravenclawandy
How do you find out the expected probabilities of the spinner for an event?
Assume equal areas for each possible outcome and our event consists of a
number of these outcomes, then the probability of an event is:

number of favourable outcomes/total number of outcomes.

RonL